Tire sidewall



FIG. 1 is a side elevational view of a tire sidewall showing my new design;

FIG. 2 is side perspective view, thereof;

FIG. 3 is a side elevational view of a second embodiment of a tire sidewall showing my new design, thereof the solid lines do not depict color and form a part of the claimed design; and,

FIG. 4 is a side perspective view thereof.

The broken lines defining the tire tread and inner bead represent unclaimed environmental subject matter; the broken lines immediately adjacent the solid line showing of the tire sidewall represent the boundaries of the claimed design but form no part thereof. 

CLAIM The ornamental design for a tire sidewall, as shown and described. 